The BlueGene/L supercomputer at the Livermore National Laboratory in Livermore, California, October 27, 2005. The BlueGene/L is the world's fastest supercomputer and will be used to ensure U.S. nuclear weapons stockpile is safe and reliable without testing. The BlueGene/L computer made by IBM can perform a record 280.6 trillion operations per second. Photo by Kim Kulish